package designpattern.Builder.demo01;

/**
 * @author cyt
 * @create 2020-04-24 14:17
 */

// 抽象的建造者， 建造步骤
public abstract class builder {
    abstract void builderA();

    abstract void builderB();

    abstract void builderC();

    abstract void builderD();

    // 完成
    abstract Product getProduct();
}

